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5 Written questions

5 Matching questions

  1. cellulose
  2. disaccharide
  3. alpha helix
  4. nucleotide
  5. fatty acid
  1. a A double sugar, consisting of two monosaccharides joined by dehydration synthesis
  2. b A structural polysaccharide of cell walls, consisting of glucose monomers joined by b-1, 4-glycosidic linkages
  3. c a long carbon chain carboxylic acid. fatty acids vary in length and in the number and location of double bonds; three fatty acids linked to a glycerol molecule form fat
  4. d A spiral shape constituting one form of the secondary structure of proteins, arising from a specific hydrogen-bonding structure
  5. e The building block of a nucleic acid, consisting of a five-carbon sugar covalently bonded to a nitrogenous bas and a phosphate group

5 Multiple choice questions

  1. The sugar component of RNA
  2. A polymer (polynucleotide) consisting of many nucleotide monomers; serves as a blueprint for proteins and, through the actions of proteins, for all cellular activities. The two types are DNA and RNA
  3. A chemical process that lyses, or splits, molecules by the addition of water; an essential process in digestion
  4. The form of native DNA, referring to its two adjacent polynucleotide strands wound into a spiral shape
  5. A type of nucleic acid consisting of nucleotide monomers with a ribose sugar and the nitrogenous bases adenine (A), cytosine (C), guanine (G), and uracil (U); usually single-stranded; functions in protein synthesis and as the genome of some viruses

5 True/False questions

  1. cholesterolA steroid that forms an essential component of animal cell membranes and acts as a precursor molecule for the synthesis of other biologically important steroids

          

  2. peptide bondthe covalent bond between two amino acid units, formed by condensation synthesis

          

  3. monomerThe subunit that serves as the building block of a polymer

          

  4. amino acida long carbon chain carboxylic acid. fatty acids vary in length and in the number and location of double bonds; three fatty acids linked to a glycerol molecule form fat

          

  5. polysaccharideA polymer of up to over a thousand monosaccharides, formed by condensation reactions

          

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